原始图片: 降噪后的图片 实现代码: # coding:utf-8 import sys, os from PIL import Image, ImageDraw # 二值数组 t2val = {} def twoValue(image, G): for y in xrange(0, image.size[1]): for x in xrange(0, image.size[0]): g = image.getpixel((x, y)) if g > G: t2val[(x, y)] = 1 e
if __name__== "__main__" 的意思(作用)python代码复用 转自:大步's Blog http://www.dabu.info/if-__-name__-__main__-mean-function-python-code-reuse.html 有人在学习python脚本时会发现有的脚本下面有几行代码; 1 2 if __name__== "__main__": main() 不明白其中的意思,其实这就是方便我们代码复用的,我们可以在
In this tutorial I will describe how to write a simpleMapReduce program for Hadoop in thePython programming language. Motivation Even though the Hadoop framework is written in Java, programs for Hadoop need not to be coded in Java but can also bedeve